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dc1635afc

DEMO MANUAL DC1635A

QUICK START PROCEDURE

U1

LTC4412HV

V

IN

Q8

Si7463DP

JMP5

SENSE

V

IN1

CTL1

GND

C

IN1

0.1µF

GATE

CTL

STAT

R1

680k

C

OUT1

0.1µF

STAT1

V

OUT1

DC1635 F02c

U2

LTC4414HV

V

IN

V

IN2

BAT2

Q3

Si7463DP

JMP4

R6

SENSE

GND

C

IN2

0.1µF

GATE

CTL

GND2

STAT

R6

560k

C

OUT2

0.1µF

STAT2

V

CC2

V

OUT2

DC1635 F02d

+

U3

LTC4414HV

V

IN

V

IN1

V

AUX1

BAT1

Q5

Si7463DP

FROM WALL

ADAPTER

SCHOTTKY

JMP2

JMP1

R2

SENSE

GND

C

IN1

0.1µF

GATE

CTL

STAT

R3

560k

C

OUT1

0.1µF

STAT1

X2

V

OUT1

 AND V

OUT2

SHARED

X1

GND1 AND GND2

SHARED

V

CC1

V

OUT1

LOAD

+

U2

LTC4414HV

V

IN

Q3

Si7463DP

BAT2

JMP4

SENSE

V

IN2

CTL2

GND

GND2

C

IN2

0.1µF

GATE

CTL

STAT

R6

560k

STAT2

V

CC2

DC1635 F02e

+

U3

LTC4414HV

V

IN

Q5

Si7463DP

BAT1

JMP2

SENSE

V

IN1

CTL1

FROM

CHARGER

GND

X2

GND1 AND

GND2 SHARED

X1

V

IN1

 AND V

IN2

SHARED

GND1

C

IN1

0.1µF

GATE

CTL

STAT

R3

560k

STAT1

V

CC1

+

Figure 2c. Optional, High Side Switch with Logic Control and Status Output 

(Requires 0Ω Jumper Across Drain-Source Pins of Q7)

Figure 2d. Optional, High Current Dual Battery Load Sharing 

with Automatic Switchover and Status Output

Figure 2e. Optional, Dual Battery Charging with Logic Select 

and Status Output

Summary of Contents for LTC4412

Page 1: ...Linear logo are registered trademarks and PowerPath is a trademark of Linear Technology Corporation All other trademarks are the property of their respective owners PERFORMANCE SUMMARY The primary pow...

Page 2: ...hallpoweroff connectauxiliary VAUX2 andprimary VIN2 power supplies capable of 8A each the system load and meters as shown in Figure 1 2 Preset the system load to 0A and the input supplies to 0V 0A cur...

Page 3: ...DC1635A QUICK START PROCEDURE Figure 1 Test Setup of DC1635A DC1635 F01 SYSTEM LOAD 1 A PRIMARY SUPPLY 1 LTC4412 CIRCUIT A V PRIMARY SUPPLY 2 A V LTC4414 CIRCUIT SYSTEM LOAD 2 A AUXILIARY SUPPLY 1 A V...

Page 4: ...tic Switchover Between Sources Figure 2b Optional Fully Isolated Configurations with External Logic Control U1 LTC4412HV VIN Q1B SiA921EDJ Q6B SiA921EDJ JMP6 0 SENSE VAUX1 VIN1 CTL1 GND CIN1 0 1 F R1...

Page 5: ...STAT1 X2 VOUT1 AND VOUT2 SHARED X1 GND1 AND GND2 SHARED VCC1 VOUT1 LOAD U2 LTC4414HV VIN Q3 Si7463DP BAT2 JMP4 0 SENSE VIN2 CTL2 GND GND2 CIN2 0 1 F GATE CTL STAT R6 560k STAT2 VCC2 DC1635 F02e U3 LT...

Page 6: ...ION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE THIS CIRCUIT I...

Page 7: ...ONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT...

Page 8: ...PATH CONTROLLERS AK JOSH Y N A LTC4412HVIS6 LTC4414EMS8 DEMO CIRCUIT 1635A SIZE DATE IC NO REV SHEET OF TITLE APPROVALS PCB DES APP ENG TECHNOLOGY Fax 408 434 0507 Milpitas CA 95035 Phone 408 432 1900...

Page 9: ...EA 6 2 R5 R6 RES CHIP 0 0603 VISHAY CRCW06030000Z0EA 7 1 U1 I C LTC4412HVIS6 LINEAR TECH LTC4412HVIS6 PBF 8 1 U2 I C LTC4414EMS8 LINEAR TECH LTC4414EMS8 PBF Additional Circuit Components 1 0 Q6 Q12 Q1...

Page 10: ...NCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE EXCEPT TO THE EXTENT OF THIS INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR...

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